linux-kernel - Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation

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Date:	Fri, 29 Feb 2008 00:36:28 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Oleg Nesterov <oleg@...sign.ru>,
	Steven Rostedt <rostedt@...dmis.org>,
	Paul Jackson <pj@....com>,
	Max Krasnyanskiy <maxk@...lcomm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC/PATCH 0/4] CPUSET driven CPU isolation

On Fri, 29 Feb 2008 00:31:55 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:

> So I shall drop git-sched again.

And when I do this I get:

***************
*** 8125,8137 ****
  	return simple_read_from_buffer(buf, nbytes, ppos, tmp, len);
  }
  
- static int cpu_rt_period_write_uint(struct cgroup *cgrp, struct cftype *cftype,
  		u64 rt_period_us)
  {
  	return sched_group_set_rt_period(cgroup_tg(cgrp), rt_period_us);
  }
  
- static u64 cpu_rt_period_read_uint(struct cgroup *cgrp, struct cftype *cft)
  {
  	return sched_group_rt_period(cgroup_tg(cgrp));
  }
--- 8125,8137 ----
  	return simple_read_from_buffer(buf, nbytes, ppos, tmp, len);
  }
  
+ static int cpu_rt_period_write_u64(struct cgroup *cgrp, struct cftype *cftype,
  		u64 rt_period_us)
  {
  	return sched_group_set_rt_period(cgroup_tg(cgrp), rt_period_us);
  }
  
+ static u64 cpu_rt_period_read_u64(struct cgroup *cgrp, struct cftype *cft)
  {
  	return sched_group_rt_period(cgroup_tg(cgrp));
  }
***************
*** 8367,8374 ****
  	},
  	{
  		.name = "rt_period_us",
- 		.read_uint = cpu_rt_period_read_uint,
- 		.write_uint = cpu_rt_period_write_uint,
  	},
  #endif
  };
--- 8367,8374 ----
  	},
  	{
  		.name = "rt_period_us",
+ 		.read_u64 = cpu_rt_period_read_u64,
+ 		.write_u64 = cpu_rt_period_write_u64,
  	},
  #endif
  };

and if I then fix that up, and later restore git-sched, Paul's patch is now
broken.

Your trees continue to cause more trouble than anyone else's have ever
done, by a lot.

Let me try yesterday's git-sched.patch.
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